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| author | Eli Britstein <elibr@mellanox.com> | 2019-06-02 06:19:03 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-07-28 08:28:35 +0200 |
| commit | 8c1dd131d9f818672d74e8a532e2fc5b01013b9a (patch) | |
| tree | c5fa9c4146955da68c5d5f8f0059d57da5dc7479 | |
| parent | 06ff90ba3c8c4ddd4d411ce5bea3a0fe3a34e0a3 (diff) | |
| download | linux-stable-8c1dd131d9f818672d74e8a532e2fc5b01013b9a.tar.gz linux-stable-8c1dd131d9f818672d74e8a532e2fc5b01013b9a.tar.bz2 linux-stable-8c1dd131d9f818672d74e8a532e2fc5b01013b9a.zip | |
net/mlx5e: Fix port tunnel GRE entropy control
[ Upstream commit 914adbb1bcf89478ac138318d28b302704564d59 ]
GRE entropy calculation is a single bit per card, and not per port.
Force disable GRE entropy calculation upon the first GRE encap rule,
and release the force at the last GRE encap rule removal. This is done
per port.
Fixes: 97417f6182f8 ("net/mlx5e: Fix GRE key by controlling port tunnel entropy calculation")
Signed-off-by: Eli Britstein <elibr@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/lib/port_tun.c | 23 |
1 files changed, 4 insertions, 19 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lib/port_tun.c b/drivers/net/ethernet/mellanox/mlx5/core/lib/port_tun.c index 40f4a19b1ce1..5e2cea26f335 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/lib/port_tun.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/lib/port_tun.c @@ -100,27 +100,12 @@ static int mlx5_set_entropy(struct mlx5_tun_entropy *tun_entropy, */ if (entropy_flags.gre_calc_supported && reformat_type == MLX5_REFORMAT_TYPE_L2_TO_NVGRE) { - /* Other applications may change the global FW entropy - * calculations settings. Check that the current entropy value - * is the negative of the updated value. - */ - if (entropy_flags.force_enabled && - enable == entropy_flags.gre_calc_enabled) { - mlx5_core_warn(tun_entropy->mdev, - "Unexpected GRE entropy calc setting - expected %d", - !entropy_flags.gre_calc_enabled); - return -EOPNOTSUPP; - } - err = mlx5_set_port_gre_tun_entropy_calc(tun_entropy->mdev, enable, - entropy_flags.force_supported); + if (!entropy_flags.force_supported) + return 0; + err = mlx5_set_port_gre_tun_entropy_calc(tun_entropy->mdev, + enable, !enable); if (err) return err; - /* if we turn on the entropy we don't need to force it anymore */ - if (entropy_flags.force_supported && enable) { - err = mlx5_set_port_gre_tun_entropy_calc(tun_entropy->mdev, 1, 0); - if (err) - return err; - } } else if (entropy_flags.calc_supported) { /* Other applications may change the global FW entropy * calculations settings. Check that the current entropy value |